Physiology Archives

The Endurance Athlete’s Guide to VO2max and Lactate Tests

Find out all the dos and don’ts of physiological testing as we break down VO2max and lactate/ramp testing.

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Trevor Connor

The Physiology of the Race Season, with Dr. Iñigo San Millán

We explore the physiology of race season—how to find top-end fitness, how long it takes, and the best ways to do it.

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Fast Talk Podcast Episode 165

The True Definition of Threshold

Your lactate threshold may not be what you think it is. Coach Trevor Connor explores the true definition of this physiological turn point.

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Trevor Connor

The Impact of Cold on Metabolism and Fueling

Environmental physiologist Dr. Stephen Cheung addresses whether the amount of fat and carbohydrate used for energy changes with the temperature.

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Dr. Stephen Cheung

Physiology > Anaerobic Capacity

Wprime, Critical Power, 6-minute Power, and Variable Intensity Races

In this video, Dr. Seiler thinks out loud—with math—to explore how critical power and variable intensity races might connect in practice.

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Dr. Stephen Seiler

This Is an Interval

Trevor Connor revisits the fundamentals of aerobic versus anaerobic pathways, and helps us understand more advanced principles of interval training.

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Trevor Connor

Mission Impossible: Determining Your True Threshold

How accurate are threshold numbers? And why is it so difficult to find accurate threshold numbers? We discuss several common ways to find your threshold and their pros and cons.

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Fast Talk Podcast Episode 122

Physiology

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Physiology > Anaerobic Capacity